Managbanag, S. G. P. (1998). The quest for more energy to boost economic recovery: Alternative sources of energy. Philippine Development.
Chicago-Zitierstil (17. Ausg.)Managbanag, Sharon Grace P. "The Quest for More Energy to Boost Economic Recovery: Alternative Sources of Energy." Philippine Development 1998.
MLA-Zitierstil (9. Ausg.)Managbanag, Sharon Grace P. "The Quest for More Energy to Boost Economic Recovery: Alternative Sources of Energy." Philippine Development, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.